GMC Sonoma High Beam Indicator Bulb Size
The GMC Sonoma high beam indicator requires bulb sizes PC74 and PC194 for the instrument panel lighting system. Data for the specified components covers the range from 1993 through 2001.
The year-by-year compatibility chart below provides a quick reference to verify the correct bulb size for your vehicle.
Bulb Size by Year Range
| Years | Bulb Size |
|---|---|
| 1994-2001 | PC74 |
| 1993 | PC194 (With Digital Inst. Cluster) |
| PC74 (Without Digital Inst. Cluster) |
Bulb Specifications
| Description | Bulb Size |
|---|---|
| ANSI standard (US & Canada). Miniature wedge bulb (T5) with printed circuit board twist-lock socket, for instrument clusters. 12V, 1.4W. | PC74 |
| ANSI standard (US & Canada). Miniature wedge bulb (T10) with printed circuit board twist-lock socket, for instrument clusters. 12V, 3.78W. | PC194 |